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CHARON cannot correctly define the total number of available host CPUs

CHARON cannot correctly define the total number of available host CPUs

Mar 02, 2017

Problem

CHARON cannot correctly define the total number of available CPUs on multi CPU groups systems (NUMA architecture, etc) - it reports only a number of CPUs found in its first group.

(info) Affected Charon products: Charon-AXP & -VAX all versions for Windows 

Solution

Enable "Node interleaving" from the BIOS (if available) to make the BIOS report the total number of available CPUs (as a part of one consolidated NUMA group) to the operating system.

For example, on HP Proliant servers, the configuration sequence looks like the following:

  1. Boot the server, press F9 and enter BIOS setup.
  2. Depending on the server, the settings could be found in different places.
    1. On a HP ProLiant G8, go to "Advanced Options" → "Advance Performance Tuning Options" → "Node Interleaving", set it to "Enabled".
    2. On a HP ProLiang G9, fo to "Performance Options" → "Advanced performance options" → "Node interleaving" , set it to "Enabled".
  3. Boot Windows.


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